奈良、88でできるんじゃね？
SELECT
user_id,
SUBSTRING(MAX(CONCAT(time,profile),9) AS profile,
SUBSTRING(MAX(CONCAT(time,uname),9) AS uname,
MAX(time) AS time,
COUNT(*) AS cnt
FROM users
WHERE win_lose = 'w'
GROUP BY user_id

でどうよ。